1. Preventing and Treating Disease
Learning Objectives:
Recall some common infectious disease and the microbes that cause them.
Recall that antibiotics (such as penicillin) are used to treat disease.
Describe how to prevent the spread of disease.
Explain how vaccines prevent illness.

2. Tuberculosis bacterium
Infectious Diseases
Infectious Disease
Microbe
Cold
Cold Viruses
Influenza (Flu)
Influenza Virus
Chicken Pox
Chicken Pox Virus
Food Poisoning
Salmonella Bacterium
E. Coli Bacterium
Tuberculosis (TB)
Tuberculosis bacterium
Cholera
Cholera bacterium
AIDS
HIV virus
Athlete’s Foot
A few types of fungi

3. Epidemics
Epidemic = a widespread occurrence (outbreak) of an infectious disease
What could cause an epidemic?
How could you stop an epidemic?

4. Read the story of the Cholera outbreak

5. Review: How can disease spread?
Contact
Air
Water
Food
Animals
Bodily Fluids

6. How can you prevent the spread of disease?

7. How can you prevent the spread of disease?
Good hygiene = such as washing your hands
Chemical that kills bacteria:
Antiseptic
Antibacterial
Disinfectant

8. How can infectious diseases be treated?
Most infections your body’s immune system can deal with on it’s own. But sometimes it needs a little help.
Painkillers = make you feel better but do not get rid of pathogens more quickly
Antibiotics = medication that kills bacteria
Antiviral = medication that is effective against viruses
Antifungal = medication that is effective against fungus